{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113471",
    "entityType": "User",
    "nonce": "0x3df0d81ee28c7e1da67f4602713105ed8b1c3c05012ef49bde684554a09fd3d0",
    "signature": "0xf1ed815ceeb6d383ba1905b8720dd5d8227bff3b88ad0190df208d3822c11f572115d069fa635e3e1497da74503149c906419da4f0725734cd5c50224ba65a971c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}